[SERVER-19270] Allow adding additional source collection to aggregation pipeline Created: 02/Jul/15  Updated: 03/Jul/15  Resolved: 03/Jul/15

Status: Closed
Project: Core Server
Component/s: Aggregation Framework
Affects Version/s: None
Fix Version/s: None

Type: New Feature Priority: Major - P3
Reporter: NOVALUE Mitar Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Duplicate
duplicates SERVER-19095 $lookup Closed
Backwards Compatibility: Fully Compatible
Participants:

 Description   

Currently, aggregation pipeline can work only on one input collection. Adding something like `$in` operation, where you could add another collection would be great.



 Comments   
Comment by Eliot Horowitz (Inactive) [ 03/Jul/15 ]

This is effectively what $lookup SERVER-19095 is.

Comment by Ramon Fernandez Marina [ 02/Jul/15 ]

Thanks for the suggestion mitar, I'm sending it to the right team for further consideration. Please watch this ticket for updates.

Regards,
Ramón.

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